<div class="search-box search-box-global">
    <input type="text" class="search-ipt J-global-search-input" placeholder="请输入您要搜索的关键词">
    <button type="button" class="bt-clear J-global-search-clear"></button>
    <button type="button" id="bt-search-global" class="bt-search J-global-search-btn"><i class="fa fa-search"></i></button>
</div>